SEASONAL MOVEMENT PATTERNS OF PICKEREL FROGS (RANA PALUSTRIS) IN AN OZARK CAVE AND TROPHIC IMPLICATIONS SUPPORTED BY STABLE ISOTOPE EVIDENCE

Danté B. Fenolio; G. O. Graening; Jim F. Stout

doi:10.1894/0038-4909(2005)050[0385:SMPOPF]2.0.CO;2

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Danté B. Fenolio,^1,2,3 G. O. Graening,⁴ Jim F. Stout⁵

¹Department of Zoology, University of Oklahoma, Norman, OK 73019
²Present address of DBF: Department of Biology, University of Miami, Coral Gables, FL 33124-0421
³Correspondent: anotheca@bio.miami.edu
⁴The Nature Conservancy, 601 North University Avenue, Little Rock, AR 72205
⁵Oklahoma City Zoological Park and Botanical Gardens, Oklahoma City, OK 73111

Abstract

We monitored a population of pickerel frogs (Rana palustris) in an Ozark cave over a 2-year period. Frogs were found from August to April with densities peaking from November to December. Although densities were quite high in these peak months, stomach content and stable isotope analyses reveal that R. palustris does not play a significant role as a predator in this subterranean system. These results suggest that the caves are being used as thermal refugia during the coldest months of the year.

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Danté B. Fenolio, G. O. Graening, and Jim F. Stout "SEASONAL MOVEMENT PATTERNS OF PICKEREL FROGS (RANA PALUSTRIS) IN AN OZARK CAVE AND TROPHIC IMPLICATIONS SUPPORTED BY STABLE ISOTOPE EVIDENCE," The Southwestern Naturalist 50(3), 385-389, (1 September 2005). https://doi.org/10.1894/0038-4909(2005)050[0385:SMPOPF]2.0.CO;2

Accepted: 10 February 2005; Published: 1 September 2005

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